body{
    height: 100%;
    background-image: url(./个人主页/ai.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}

.code-preview {
    position: relative;
    display: inline-block;
  }

  .code-preview .code {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #f9f9f9;
    border: 1px solid #ccc;
    padding: 5px;
    z-index: 1000;
  }

  .code-preview:hover .code {
    display: block;
  }